$ git clone -n https://src.fedoraproject.org/rpms/powerdevil.git /var/lib/mock/f40-build-2526592-61812/root/chroot_tmpdir/scmroot/powerdevil
Cloning into '/var/lib/mock/f40-build-2526592-61812/root/chroot_tmpdir/scmroot/powerdevil'...
$ git fetch origin d8d4754b92127b7da3e87b87f8764b687e5f4292:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/powerdevil
 * [new ref]         d8d4754b92127b7da3e87b87f8764b687e5f4292 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8d4754 6.0.1